Flexible printed circuit board



1.1 is a front perspective view of a flexible printed circuit board showing our new design;

1.2 is a front elevation view thereof;

1.3 is a rear elevation view thereof;

1.4 is a left side elevation view thereof;

1.5 is a right side elevation view thereof;

1.6 is a top plan view thereof;

1.7 is a bottom plan view thereof;

1.8 is a rear perspective view thereof;

1.9 is an enlarged perspective view of a portion of 1.1;

1.10 is a front elevation view thereof;

1.11 is a rear elevation view thereof; and

1.12 is a left side elevation view thereof.

The dot dash broken lines depict the boundary of the area of enlargement and form no part of the claimed design. 

CLAIM The ornamental design for a flexible printed circuit board, as shown and described. 